# coding=utf-8
# Copyright 2024 The Google Research Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Constants used by RED-ACE."""

# Edit operations.
KEEP = 'KEEP'
DELETE = 'DELETE'

# Special tokens.
PAD = '[PAD]'
CLS = '[CLS]'
SEP = '[SEP]'

UNDEFINED_CONFIDENCE_SCORE = -1

LABEL_MAP = {'PAD': 0, 'DELETE': 1, 'KEEP': 2}
